Home / 49,680.80-74,521.20-44,669.60

Finding the Fourth Proportional to 49,680.80, 74,521.20 and 44,669.60

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Solution

The fourth proportional to 49,680.80, 74,521.20 and 44,669.60 is: 67,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,680.80 : 74,521.20 = 44,669.60 : x
  2. Step 2: Convert to fraction form
    49,680.80/74,521.20 = 44,669.60/x
  3. Step 3: Cross multiply
    49,680.80x = 74,521.20 × 44,669.60
  4. Step 4: Simplify right side
    49,680.80x = 3,328,832,195.52
  5. Step 5: Solve for x
    x = 3,328,832,195.52/49,680.80
  6. Step 6: Final answer
    x = 67,004.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.